OpenTechnical

OT-2026-000023288

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023288) never changes.

Identity and time

Publication numberOT-2026-000023288 · never reused
Internal UUID01a0ae70-7267-73cb-8d89-63a450c44072 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023288
StatusPUBLIC

Content hashes

Canonical text742218b9ea211b5be1969ae5f43afca2b06bce09b106b1322ace53e0415377cb
Markdown5999a86f706ce37d0c146163d8db4b5cfca3badd4ba07fbf5c2749ffb19aea78
PDF
Publication page8821010d94713e5f7430da44971e84eb0e67475f06d7353d7d9b5c3766d18545
Manifest6443adcc94e1f3c4463eaa8ac36098777af86c743ce5155ab0d2751c90bb9814

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenHBReF4qSscaHHqO4TDYt8c+BljTdS1pvVAgWEmVBR1PJzh7VEJkrREc6L1e/Q1SaKbMN1T5xlG1hyO4BfaRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:21.963217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023288
observed 8821010d94713e5f7430da44971e84eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.938652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023288/manifest.json
observed 6443adcc94e1f3c4463eaa8ac3609877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.922626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023288/publication.md
observed 5999a86f706ce37d0c146163d8db4b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:21.906013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023288/publication.txt
observed 742218b9ea211b5be1969ae5f43afca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.